Finding the Fourth Proportional to 126,750.28, 174,934.14 and 73,025.08
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Solution
The fourth proportional to 126,750.28, 174,934.14 and 73,025.08 is: 100,785.41
Step by Step Solution
- Step 1: Write the proportion equation
126,750.28 : 174,934.14 = 73,025.08 : x - Step 2: Convert to fraction form
126,750.28/174,934.14 = 73,025.08/x - Step 3: Cross multiply
126,750.28x = 174,934.14 × 73,025.08 - Step 4: Simplify right side
126,750.28x = 12,774,579,568.23 - Step 5: Solve for x
x = 12,774,579,568.23/126,750.28 - Step 6: Final answer
x = 100,785.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.